Gemini 3.6 Flash vs GPT-6 Sol
Gemini 3.6 Flash was superseded by Gemini 3.8 Flash. GPT-6 Sol was superseded by GPT-6.1 Sol. The grades below are the last ones measured, so read them as history rather than as this week's board. See the current roster.
Gemini 3.6 Flash leads overall, C to C-. GPT-6 Sol is about 2.3x cheaper per task. By suite, real-world issues is even at C- and Gemini 3.6 Flash takes vibe coding (C+ to C-). Take GPT-6 Sol anyway when you want the side that is cheaper per task and faster on real-world issues.Measured
Each agent graded on the same private suites, running headless through its own tools. Advantages are oriented so a win is a win, whichever way the metric runs.
Verdict: GPT-6 Sol vs Gemini 3.6 Flash
Gemini 3.6 Flash leads overall, C to C-. By suite: real-world issues is even at C- (60% vs 55% capability); Gemini 3.6 Flash takes vibe coding, C+ to C- (72% vs 61% capability). Only GPT-6 Sol has run spec planning. Gemini 3.6 Flash used 12.6% of Google AI Pro's weekly limit per pass, $0.039 per task at the listed price. GPT-6 Sol used 7% of ChatGPT Plus's weekly limit per pass, $0.017 per task at the listed price; at the ~$100 tier the board defaults to that is an estimated ~1.4% of ChatGPT Pro 5x's weekly limit (est, about $0.017 per task). Per task, GPT-6 Sol is about 2.3x cheaper ($0.017 vs $0.039). GPT-6 Sol is faster on real-world issues: a median task takes 1m 41s against 2m 17s. Both finished every task on it. Reasons to pick GPT-6 Sol anyway: it is cheaper per task ($0.017 vs $0.039) and it is faster on real-world issues (1m 41s vs 2m 17s median).
Changed since the previous graded week: Gemini 3.6 Flash unchanged; GPT-6 Sol: real-world issues D- to C-, real-world issues usage 4% to 5% of the weekly limit, spec planning C to C-, spec planning usage 1% to 2% of the weekly limit, vibe coding D+ to C-.
| Dimension | Gemini 3.6 Flash | GPT-6 Sol | Advantage |
|---|---|---|---|
| Capability | 60% | 55% | +5% (Gemini 3.6 Flash leads) |
| Median task time | 2m 17s | 1m 41s | 36s faster (GPT-6 Sol leads) |
| Approx. task cost | $0.039 / task | $0.015 / task | $0.023 / task lower (GPT-6 Sol leads) |
Gemini 3.6 Flash: 12.6% of Google AI Pro (about 72.1% / 5h, 12.6% / 1w) per run. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6 Sol: 5.0% of ChatGPT Plus (35.0% / 5h, 5.0% / 1w) per run. Its weekly limit holds about 6 of the week's 33.6 5h windows. Each figure is a share of that agent's own plan, so there is no delta to draw.
Only GPT-6 Sol has run this suite, so there is no head-to-head yet.
| Dimension | Gemini 3.6 Flash | GPT-6 Sol | Advantage |
|---|---|---|---|
| Capability | 72% | 61% | +10% (Gemini 3.6 Flash leads) |
| Median task time | 1m 54s | 2m 44s | 50s faster (Gemini 3.6 Flash leads) |
| Approx. task cost | $0.038 / task | $0.018 / task | $0.019 / task lower (GPT-6 Sol leads) |
Gemini 3.6 Flash: 0.8% of Google AI Pro (4.9% / 5h, 0.8% / 1w) per good solve. Its weekly limit holds 6 of the week's 33.6 5h windows. GPT-6 Sol: 0.4% of ChatGPT Plus (1.8% / 5h, 0.4% / 1w) per good solve. Its weekly limit holds about 6 of the week's 33.6 5h windows. Each figure is a share of that agent's own plan, so there is no delta to draw.
Grades and deltas are comparable only within a suite version. See methodology.
Frequently asked questions
Which is better for coding, Gemini 3.6 Flash or GPT-6 Sol?
Gemini 3.6 Flash clears higher: tier 4 of 5 versus tier 1 for GPT-6 Sol on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.
Which is cheaper per task, Gemini 3.6 Flash or GPT-6 Sol?
Gemini 3.6 Flash used 12.6% of Google AI Pro's weekly limit per pass, $0.039 per task at the listed price. GPT-6 Sol used 7% of ChatGPT Plus's weekly limit per pass, $0.017 per task at the listed price; at the ~$100 tier the board defaults to that is an estimated ~1.4% of ChatGPT Pro 5x's weekly limit (est, about $0.017 per task). Per task, GPT-6 Sol is about 2.3x cheaper ($0.017 vs $0.039).